The agroot() function in cgraphobj.c in libcgraph.a in Graphviz 2.39.20160612.1140 has a NULL pointer dereference, as demonstrated by graphml2gv.
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Graphviz | Graphviz | 2.39.20160612.1140 (including) | 2.39.20160612.1140 (including) |
| Graphviz | Ubuntu | bionic | * |
| Graphviz | Ubuntu | cosmic | * |
| Graphviz | Ubuntu | disco | * |
| Graphviz | Ubuntu | eoan | * |
| Graphviz | Ubuntu | esm-apps/bionic | * |
| Graphviz | Ubuntu | esm-infra/xenial | * |
| Graphviz | Ubuntu | groovy | * |
| Graphviz | Ubuntu | hirsute | * |
| Graphviz | Ubuntu | impish | * |
| Graphviz | Ubuntu | trusty | * |
| Graphviz | Ubuntu | trusty/esm | * |
| Graphviz | Ubuntu | upstream | * |
| Graphviz | Ubuntu | xenial | * |